Returning Empties to the Powder River Basin

I really did not go looking for this video of a coal train. I was doing a bit of research on the railroad tunnel in Everett for a work project and came across a web page with a set of train videos. This clip is of a coal train on the return to the Powder River Basin heading over Stevens Pass in the Cascade Range. This route utilizes the longest rail tunnel in the United Sates, a remarkable seven mile long spiral straight tunnel that replaced a previous steeper poorly vented tunnel and prior to that a track that required switch backs and was susceptible to avalanches. The Stevens Pass route is apparently too steep of a grade to handle the fully loaded coal trains, but at least some of the empty coal trains head back to the Powder River Basin via this route. I did not count all the cars. I'll save that for when I am waiting at a crossing.